542293093 has 2 divisors, whose sum is σ = 542293094. Its totient is φ = 542293092.

The previous prime is 542293091. The next prime is 542293133. The reversal of 542293093 is 390392245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334414369 + 207878724 = 18287^2 + 14418^2 .

It is a cyclic number.

It is not a de Polignac number, because 542293093 - 2¹ = 542293091 is a prime.

Together with 542293091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542293091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271146546 + 271146547.

It is an arithmetic number, because the mean of its divisors is an integer number (271146547).

Almost surely, 2^542293093 is an apocalyptic number.

It is an amenable number.

542293093 is a deficient number, since it is larger than the sum of its proper divisors (1).

542293093 is an equidigital number, since it uses as much as digits as its factorization.

542293093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 542293093 is about 23287.1873140575. The cubic root of 542293093 is about 815.4763261215.

The spelling of 542293093 in words is "five hundred forty-two million, two hundred ninety-three thousand, ninety-three".